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Author Question: In the following reaction, which species is reduced? Au(s) + 3NO3-(aq) + 6H+(aq) Au3+(aq) + NO(g) + ... (Read 88 times)

Frost2351

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on: Aug 27, 2018
In the following reaction, which species is reduced? Au(s) + 3NO3-(aq) + 6H+(aq)  Au3+(aq) + NO(g) + 3H2O (l) H+ N+5 O2- H2O Au
 
  A) H+
  B) N+5
  C) O2-
  D) H2O
  E) Au

Question 2

The pH of a 0.15 M aqueous solution of NaZ (the sodium salt of HZ) is 10.7. What is the Ka for HZ?
 
  A) 1.6  10-6
  B) 6.0  10-9
  C) 8.9  10-4
  D) 1.3  10-12
  E) 3.3  10-8


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6ana001

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Frost2351

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Reply 2 on: Aug 27, 2018
Gracias!

Sarahjh

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Reply 3 on: Yesterday
Excellent

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